Take the wind out of somebody’s sails
Definition 1 of 1
Pro Tip 1/3Non-literal Meaning
This phrase is a metaphor from sailing, not about actual wind or sails. 
After she criticized his project, it really took the wind out of his sails.
Pro Tip 2/3Emotional Impact
The phrase often refers to a sudden emotional letdown or discouragement. 
Winning the award took the wind out of my rival's sails.
Pro Tip 3/3Unexpected Events
It's commonly used when something unexpected hinders someone's progress. 
Their goal in the final minutes took the wind out of our sails.